Jack A. Cerchiara, Rosa Ana Risques, Donna Prunkard, Jeffrey R. Smith, Olivia J. Kane, P. Dee Boersma
Abstract:For all species, finite metabolic resources must be allocated toward three competing systems: maintenance, reproduction, and growth. Telomeres, the nucleoprotein tips of chromosomes, which shorten with age in most species, are correlated with increased survival. Chick growth is energetically costly and is associated with telomere shortening in most species. To assess the change in telomeres in penguin chicks, we quantified change in telomere length of wild known-age Magellanic penguin (Spheniscus magellanicus)…
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